T1/CEPT(E1)/ISDN-PRI TRANSFORMER P/N: 4S1064 DATA SHEET A. General Specifications 1. Eight transformers in a surface mount package supports four transmit and four receive channels . 2. Cross talk : -65dB or better 3. Models matched to leading quad and dual T1/E1/CEPTISDN-PRI Transceivers . B. Electrical Specifications @ 25°C 1. Isolation HI-POT: 1500 Vrms 2. Turns Ratio(± 5%) : Transmit=1:1.14, Receive=1:1.14CT 3. TX/RX OCL. : 1.2 mH Min /1.2 mH Min 4. TX/RX. Cw/w: 28pF Max/28 pF Max 5. TX/RX L/L: 0.6 μH Max/0.6 μH Max 6. Primary Pins (Transmit) : 1-2, 6-7, 11-12, 16-17 7. Primary pins (Receive) : 38-36, 33-31, 28-26, 23-21 C. Schematic &Mechanical: × × × × × ﹐ Prepared :Qingli Wu Approved: Xu Wenbing Date : 2001/01/27 Drawing no.: ISDN Transformer REV.: A5 Page : 1/1